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This patch adds support for running Genode/Linux on the AARCH64 architecture. - The kernel-agnostic startup code (crt0) had to be extended to capture the initial stack pointer, which the Linux kernel uses to pass the process environment. This is in line with the existing startup code for x86_32 and x86_64. - The link order of the host libraries linked to lx_hybrid programs had to be adjusted such that libgcc appears at last because the other libraries depend on symbols provided by libgcc. - When using AARCH64 Linux as host, one can execute run scripts via 'make run/<script> KERNEL=linux BOARD=linux' now. Issue #4136 |
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| README | ||
This is generic part of the Genode implementation. It consists of two parts: :_Core_: is the ultimate root of the Genode application tree and provides abstractions for the lowest-level hardware resources such as RAM, ROM, CPU, and generic device access. All generic parts of Core can be found here - for system-specific implementations refer to the appropriate 'base-<system>' directory. :_Base libraries and protocols_: that are used by each Genode component to interact with other components. This is the glue that holds everything together. _Core_ may export information about the hardware platform by an ROM called 'platform_info'. Depending on the platform, e.g. ARM or x86 or riscv, and depending on the boot mode and boot loader and kernel, some nodes may not be populated. !<platform_info> ! <acpi revision="2" rsdt="0x1fe93074" xsdt="0x1fe930e8"/> ! <boot> ! <framebuffer phys="0x7300000" width="1024" height="768" bpp="32"/> ! </boot> !</platform_info> If the ACPI RSDT and XSDT physical pointer is reported by the used kernel and/or bootloader, _Core_ may provide this information by the ROM. If the graphic device is initialised and can be directly used by a framebuffer driver, _Core_ may provide the physical pointer to the framebuffer, the resolution and color depth in bits.